1 /* 2 * am335x_evm.h 3 * 4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation version 2. 9 * 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11 * kind, whether express or implied; without even the implied warranty 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #ifndef __CONFIG_AM335X_EVM_H 17 #define __CONFIG_AM335X_EVM_H 18 19 #include <configs/ti_am335x_common.h> 20 21 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 22 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 23 #define CONFIG_BOARD_LATE_INIT 24 25 /* Clock Defines */ 26 #define V_OSCK 24000000 /* Clock output from T2 */ 27 #define V_SCLK (V_OSCK) 28 29 /* Custom script for NOR */ 30 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 31 32 /* Always 128 KiB env size */ 33 #define CONFIG_ENV_SIZE (128 << 10) 34 35 /* Enhance our eMMC support / experience. */ 36 #define CONFIG_CMD_GPT 37 #define CONFIG_EFI_PARTITION 38 #define CONFIG_PARTITION_UUIDS 39 #define CONFIG_CMD_PART 40 41 #ifdef CONFIG_NAND 42 #define NANDARGS \ 43 "mtdids=" MTDIDS_DEFAULT "\0" \ 44 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 45 "nandargs=setenv bootargs console=${console} " \ 46 "${optargs} " \ 47 "root=${nandroot} " \ 48 "rootfstype=${nandrootfstype}\0" \ 49 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 50 "nandrootfstype=ubifs rootwait=1\0" \ 51 "nandboot=echo Booting from nand ...; " \ 52 "run nandargs; " \ 53 "nand read ${fdtaddr} u-boot-spl-os; " \ 54 "nand read ${loadaddr} kernel; " \ 55 "bootz ${loadaddr} - ${fdtaddr}\0" 56 #else 57 #define NANDARGS "" 58 #endif 59 60 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 61 62 #ifndef CONFIG_SPL_BUILD 63 #define CONFIG_EXTRA_ENV_SETTINGS \ 64 DEFAULT_LINUX_BOOT_ENV \ 65 "boot_fdt=try\0" \ 66 "bootpart=0:2\0" \ 67 "bootdir=/boot\0" \ 68 "bootfile=zImage\0" \ 69 "fdtfile=undefined\0" \ 70 "console=ttyO0,115200n8\0" \ 71 "partitions=" \ 72 "uuid_disk=${uuid_gpt_disk};" \ 73 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 74 "optargs=\0" \ 75 "mmcdev=0\0" \ 76 "mmcroot=/dev/mmcblk0p2 ro\0" \ 77 "mmcrootfstype=ext4 rootwait\0" \ 78 "rootpath=/export/rootfs\0" \ 79 "nfsopts=nolock\0" \ 80 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 81 "::off\0" \ 82 "ramroot=/dev/ram0 rw\0" \ 83 "ramrootfstype=ext2\0" \ 84 "mmcargs=setenv bootargs console=${console} " \ 85 "${optargs} " \ 86 "root=${mmcroot} " \ 87 "rootfstype=${mmcrootfstype}\0" \ 88 "spiroot=/dev/mtdblock4 rw\0" \ 89 "spirootfstype=jffs2\0" \ 90 "spisrcaddr=0xe0000\0" \ 91 "spiimgsize=0x362000\0" \ 92 "spibusno=0\0" \ 93 "spiargs=setenv bootargs console=${console} " \ 94 "${optargs} " \ 95 "root=${spiroot} " \ 96 "rootfstype=${spirootfstype}\0" \ 97 "netargs=setenv bootargs console=${console} " \ 98 "${optargs} " \ 99 "root=/dev/nfs " \ 100 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 101 "ip=dhcp\0" \ 102 "bootenv=uEnv.txt\0" \ 103 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 104 "importbootenv=echo Importing environment from mmc ...; " \ 105 "env import -t $loadaddr $filesize\0" \ 106 "ramargs=setenv bootargs console=${console} " \ 107 "${optargs} " \ 108 "root=${ramroot} " \ 109 "rootfstype=${ramrootfstype}\0" \ 110 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 111 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 112 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 113 "mmcloados=run mmcargs; " \ 114 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 115 "if run loadfdt; then " \ 116 "bootz ${loadaddr} - ${fdtaddr}; " \ 117 "else " \ 118 "if test ${boot_fdt} = try; then " \ 119 "bootz; " \ 120 "else " \ 121 "echo WARN: Cannot load the DT; " \ 122 "fi; " \ 123 "fi; " \ 124 "else " \ 125 "bootz; " \ 126 "fi;\0" \ 127 "mmcboot=mmc dev ${mmcdev}; " \ 128 "if mmc rescan; then " \ 129 "echo SD/MMC found on device ${mmcdev};" \ 130 "if run loadbootenv; then " \ 131 "echo Loaded environment from ${bootenv};" \ 132 "run importbootenv;" \ 133 "fi;" \ 134 "if test -n $uenvcmd; then " \ 135 "echo Running uenvcmd ...;" \ 136 "run uenvcmd;" \ 137 "fi;" \ 138 "if run loadimage; then " \ 139 "run mmcloados;" \ 140 "fi;" \ 141 "fi;\0" \ 142 "spiboot=echo Booting from spi ...; " \ 143 "run spiargs; " \ 144 "sf probe ${spibusno}:0; " \ 145 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 146 "bootz ${loadaddr}\0" \ 147 "netboot=echo Booting from network ...; " \ 148 "setenv autoload no; " \ 149 "dhcp; " \ 150 "tftp ${loadaddr} ${bootfile}; " \ 151 "tftp ${fdtaddr} ${fdtfile}; " \ 152 "run netargs; " \ 153 "bootz ${loadaddr} - ${fdtaddr}\0" \ 154 "ramboot=echo Booting from ramdisk ...; " \ 155 "run ramargs; " \ 156 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 157 "findfdt="\ 158 "if test $board_name = A335BONE; then " \ 159 "setenv fdtfile am335x-bone.dtb; fi; " \ 160 "if test $board_name = A335BNLT; then " \ 161 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 162 "if test $board_name = A33515BB; then " \ 163 "setenv fdtfile am335x-evm.dtb; fi; " \ 164 "if test $board_name = A335X_SK; then " \ 165 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 166 "if test $fdtfile = undefined; then " \ 167 "echo WARNING: Could not determine device tree to use; fi; \0" \ 168 NANDARGS \ 169 DFUARGS 170 #endif 171 172 #define CONFIG_BOOTCOMMAND \ 173 "run findfdt; " \ 174 "run mmcboot;" \ 175 "setenv mmcdev 1; " \ 176 "setenv bootpart 1:2; " \ 177 "run mmcboot;" \ 178 "run nandboot;" 179 180 /* NS16550 Configuration */ 181 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 182 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 183 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 184 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 185 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 186 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 187 #define CONFIG_BAUDRATE 115200 188 189 #define CONFIG_CMD_EEPROM 190 #define CONFIG_ENV_EEPROM_IS_ON_I2C 191 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 192 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 193 #define CONFIG_SYS_I2C_MULTI_EEPROMS 194 195 /* PMIC support */ 196 #define CONFIG_POWER_TPS65217 197 #define CONFIG_POWER_TPS65910 198 199 /* SPL */ 200 #ifndef CONFIG_NOR_BOOT 201 #define CONFIG_SPL_POWER_SUPPORT 202 #define CONFIG_SPL_YMODEM_SUPPORT 203 204 /* Bootcount using the RTC block */ 205 #define CONFIG_BOOTCOUNT_LIMIT 206 #define CONFIG_BOOTCOUNT_AM33XX 207 208 /* USB gadget RNDIS */ 209 #define CONFIG_SPL_MUSB_NEW_SUPPORT 210 211 /* General network SPL, both CPSW and USB gadget RNDIS */ 212 #define CONFIG_SPL_NET_SUPPORT 213 #define CONFIG_SPL_ENV_SUPPORT 214 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 215 216 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 217 218 #ifdef CONFIG_NAND 219 #define CONFIG_NAND_OMAP_GPMC 220 #define CONFIG_NAND_OMAP_ELM 221 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 222 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 223 CONFIG_SYS_NAND_PAGE_SIZE) 224 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 225 #define CONFIG_SYS_NAND_OOBSIZE 64 226 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 227 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 228 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 229 10, 11, 12, 13, 14, 15, 16, 17, \ 230 18, 19, 20, 21, 22, 23, 24, 25, \ 231 26, 27, 28, 29, 30, 31, 32, 33, \ 232 34, 35, 36, 37, 38, 39, 40, 41, \ 233 42, 43, 44, 45, 46, 47, 48, 49, \ 234 50, 51, 52, 53, 54, 55, 56, 57, } 235 236 #define CONFIG_SYS_NAND_ECCSIZE 512 237 #define CONFIG_SYS_NAND_ECCBYTES 14 238 #define CONFIG_SYS_NAND_ONFI_DETECTION 239 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 240 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 241 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 242 #endif 243 #endif 244 245 /* 246 * For NOR boot, we must set this to the start of where NOR is mapped 247 * in memory. 248 */ 249 #ifdef CONFIG_NOR_BOOT 250 #define CONFIG_SYS_TEXT_BASE 0x08000000 251 #endif 252 253 /* 254 * USB configuration. We enable MUSB support, both for host and for 255 * gadget. We set USB0 as peripheral and USB1 as host, based on the 256 * board schematic and physical port wired to each. Then for host we 257 * add mass storage support and for gadget we add both RNDIS ethernet 258 * and DFU. 259 */ 260 #define CONFIG_USB_MUSB_DSPS 261 #define CONFIG_ARCH_MISC_INIT 262 #define CONFIG_MUSB_GADGET 263 #define CONFIG_MUSB_PIO_ONLY 264 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 265 #define CONFIG_USB_GADGET 266 #define CONFIG_USBDOWNLOAD_GADGET 267 #define CONFIG_USB_GADGET_DUALSPEED 268 #define CONFIG_USB_GADGET_VBUS_DRAW 2 269 #define CONFIG_MUSB_HOST 270 #define CONFIG_AM335X_USB0 271 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 272 #define CONFIG_AM335X_USB1 273 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 274 275 #ifdef CONFIG_MUSB_HOST 276 #define CONFIG_CMD_USB 277 #define CONFIG_USB_STORAGE 278 #endif 279 280 #ifdef CONFIG_MUSB_GADGET 281 #define CONFIG_USB_ETHER 282 #define CONFIG_USB_ETH_RNDIS 283 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 284 285 /* USB TI's IDs */ 286 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 287 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 288 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 289 #endif /* CONFIG_MUSB_GADGET */ 290 291 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 292 /* disable host part of MUSB in SPL */ 293 #undef CONFIG_MUSB_HOST 294 /* disable EFI partitions and partition UUID support */ 295 #undef CONFIG_PARTITION_UUIDS 296 #undef CONFIG_EFI_PARTITION 297 /* 298 * Disable CPSW SPL support so we fit within the 101KiB limit. 299 */ 300 #undef CONFIG_SPL_ETH_SUPPORT 301 #endif 302 303 /* USB Device Firmware Update support */ 304 #ifndef CONFIG_SPL_BUILD 305 #define CONFIG_DFU_FUNCTION 306 #define CONFIG_DFU_MMC 307 #define CONFIG_CMD_DFU 308 #define DFU_ALT_INFO_MMC \ 309 "dfu_alt_info_mmc=" \ 310 "boot part 0 1;" \ 311 "rootfs part 0 2;" \ 312 "MLO fat 0 1;" \ 313 "MLO.raw mmc 0x100 0x100;" \ 314 "u-boot.img.raw mmc 0x300 0x400;" \ 315 "spl-os-args.raw mmc 0x80 0x80;" \ 316 "spl-os-image.raw mmc 0x900 0x2000;" \ 317 "spl-os-args fat 0 1;" \ 318 "spl-os-image fat 0 1;" \ 319 "u-boot.img fat 0 1;" \ 320 "uEnv.txt fat 0 1\0" 321 #ifdef CONFIG_NAND 322 #define CONFIG_DFU_NAND 323 #define DFU_ALT_INFO_NAND \ 324 "dfu_alt_info_nand=" \ 325 "SPL part 0 1;" \ 326 "SPL.backup1 part 0 2;" \ 327 "SPL.backup2 part 0 3;" \ 328 "SPL.backup3 part 0 4;" \ 329 "u-boot part 0 5;" \ 330 "u-boot-spl-os part 0 6;" \ 331 "kernel part 0 8;" \ 332 "rootfs part 0 9\0" 333 #else 334 #define DFU_ALT_INFO_NAND "" 335 #endif 336 #define CONFIG_DFU_RAM 337 #define DFU_ALT_INFO_RAM \ 338 "dfu_alt_info_ram=" \ 339 "kernel ram 0x80200000 0xD80000;" \ 340 "fdt ram 0x80F80000 0x80000;" \ 341 "ramdisk ram 0x81000000 0x4000000\0" 342 #define DFUARGS \ 343 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 344 DFU_ALT_INFO_MMC \ 345 DFU_ALT_INFO_RAM \ 346 DFU_ALT_INFO_NAND 347 #endif 348 349 /* 350 * Default to using SPI for environment, etc. 351 * 0x000000 - 0x020000 : SPL (128KiB) 352 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 353 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 354 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 355 * 0x0E0000 - 0x442000 : Linux Kernel 356 * 0x442000 - 0x800000 : Userland 357 */ 358 #if defined(CONFIG_SPI_BOOT) 359 /* SPL related */ 360 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */ 361 #define CONFIG_SPL_SPI_SUPPORT 362 #define CONFIG_SPL_SPI_FLASH_SUPPORT 363 #define CONFIG_SPL_SPI_LOAD 364 #define CONFIG_SPL_SPI_BUS 0 365 #define CONFIG_SPL_SPI_CS 0 366 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 367 368 #define CONFIG_ENV_IS_IN_SPI_FLASH 369 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 370 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 371 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 372 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 373 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 374 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 375 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 376 "512k(u-boot),128k(u-boot-env1)," \ 377 "128k(u-boot-env2),3464k(kernel)," \ 378 "-(rootfs)" 379 #elif defined(CONFIG_EMMC_BOOT) 380 #undef CONFIG_ENV_IS_NOWHERE 381 #define CONFIG_ENV_IS_IN_MMC 382 #define CONFIG_SYS_MMC_ENV_DEV 1 383 #define CONFIG_SYS_MMC_ENV_PART 2 384 #define CONFIG_ENV_OFFSET 0x0 385 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 386 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 387 #endif 388 389 /* SPI flash. */ 390 #define CONFIG_CMD_SF 391 #define CONFIG_SPI_FLASH 392 #define CONFIG_SPI_FLASH_WINBOND 393 #define CONFIG_SF_DEFAULT_SPEED 24000000 394 395 /* Network. */ 396 #define CONFIG_PHY_GIGE 397 #define CONFIG_PHYLIB 398 #define CONFIG_PHY_SMSC 399 400 /* NAND support */ 401 #ifdef CONFIG_NAND 402 #define CONFIG_CMD_NAND 403 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT) 404 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 405 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 406 "128k(SPL.backup1)," \ 407 "128k(SPL.backup2)," \ 408 "128k(SPL.backup3),1792k(u-boot)," \ 409 "128k(u-boot-spl-os)," \ 410 "128k(u-boot-env),5m(kernel),-(rootfs)" 411 #define CONFIG_ENV_IS_IN_NAND 412 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 413 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 414 #endif 415 #endif 416 417 /* 418 * NOR Size = 16 MiB 419 * Number of Sectors/Blocks = 128 420 * Sector Size = 128 KiB 421 * Word length = 16 bits 422 * Default layout: 423 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 424 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 425 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 426 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 427 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 428 */ 429 #if defined(CONFIG_NOR) 430 #undef CONFIG_SYS_NO_FLASH 431 #define CONFIG_CMD_FLASH 432 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 433 #define CONFIG_SYS_FLASH_PROTECTION 434 #define CONFIG_SYS_FLASH_CFI 435 #define CONFIG_FLASH_CFI_DRIVER 436 #define CONFIG_FLASH_CFI_MTD 437 #define CONFIG_SYS_MAX_FLASH_SECT 128 438 #define CONFIG_SYS_MAX_FLASH_BANKS 1 439 #define CONFIG_SYS_FLASH_BASE (0x08000000) 440 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 441 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 442 /* Reduce SPL size by removing unlikey targets */ 443 #ifdef CONFIG_NOR_BOOT 444 #define CONFIG_ENV_IS_IN_FLASH 445 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 446 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 447 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 448 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 449 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 450 "512k(u-boot)," \ 451 "128k(u-boot-env1)," \ 452 "128k(u-boot-env2)," \ 453 "4m(kernel),-(rootfs)" 454 #endif 455 #endif /* NOR support */ 456 457 #endif /* ! __CONFIG_AM335X_EVM_H */ 458